package com.willpower.eureka.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * @author: wen-yi;
 * @date: 2021/10/29 23:52;
 * @Description:
 */
@Configuration
public class CorsConfig {

    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*"); //允许任何域名使用
        corsConfiguration.addAllowedHeader("*"); //允许任何头
        corsConfiguration.addAllowedMethod("*"); //允许任何方法（post、get等）
        corsConfiguration.setMaxAge(3600L);         // 预检请求的有效期，单位为秒。
        corsConfiguration.setAllowCredentials(true);// 是否支持安全证书(必需参数)
        corsConfiguration.setExposedHeaders(Collections.singletonList("jwt"));
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", buildConfig());
        return new CorsFilter(source);
    }
}
